Home / 3,657.96-5,486.64-1,025.51

Finding the Fourth Proportional to 3,657.96, 5,486.64 and 1,025.51

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Solution

The fourth proportional to 3,657.96, 5,486.64 and 1,025.51 is: 1,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.96 : 5,486.64 = 1,025.51 : x
  2. Step 2: Convert to fraction form
    3,657.96/5,486.64 = 1,025.51/x
  3. Step 3: Cross multiply
    3,657.96x = 5,486.64 × 1,025.51
  4. Step 4: Simplify right side
    3,657.96x = 5,626,603.77
  5. Step 5: Solve for x
    x = 5,626,603.77/3,657.96
  6. Step 6: Final answer
    x = 1,538.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.